devil’s trumpets

genus Datura

Member of nightshade family (family Solanaceae)
dicots (class Magnoliopsida)
flowering plants (subphylum Angiospermae)

Except for extremely rare examples that I don't expect to encounter, there are no other wild species of this genus in the bay area.

See also bindweed family (family Convolvulaceae), which have a generally shorter calyx which is not ribbed or angled toward the base.

sacred datura
Datura wrightii

corolla white, 15–20 cm, lobes 1.0–2.0 cm

style 15–18 cm

calyx 8–12 cm, ribbed at least toward base, lobes ± 2 cm
fruit with 0.5–1.2 cm prickles and tan seeds

jimsonweed
Datura stramonium

corolla white or pale purple, 6–9 cm, lobes 0.8–1.0 cm

style 4–6 cm

calyx 3.5–4.5 cm, angled toward base, lobes 0.5–0.7 cm
fruit with 0.3–1.0 cm prickles and black seeds

long-spined thorn-apple
Datura ferox

corolla white or pale purple, 4.5–5 cm

style 2.5 cm

calyx 2–2.5 cm, angled toward base, lobes 0.2–0.4 cm
fruit with 0.8–2.2 cm prickles, black seeds

Toxicity of angel's trumpet, datura, horn-of-plenty (Datura spp.):
4 – Ingestion of these plants, especially in large amounts, is expected to cause serious effects to the heart, liver, kidneys or brain. If ingested in any amount, call the poison center immediately.

1 observed taxon / 2 unobserved taxons / 1 key

Chris’s observations: 1 (research grade)

Locations:

Alum Rock Park, San Jose

Months:

Oct.: 1

For more details, use advanced search.

Not all sites include this taxon:

genus Datura → iNaturalist – Calflora – Jepson eFlora
not yet listed → FNA

Bay Area species: iNaturalist – Calflora